我想何时在Heroku中部署包含许多应用程序作为模块的应用程序，这些模块具有不同的服务器和端口，并且同时工作。 但是当我部署应用程序时，问题仅在于第一台服务器

{
  "name": "proxy","version": "1.0.0","description": "","main": "server.js","scripts": {
    "test": "echo \"Error: no test specified\" && exit 1","dev": "concurrently \"node post/server/index.js\" \"node recom/server/index.js\" \"node deals/server/index.js\" \"node server.js\"","start": "npm run dev"

  },"keywords": [],"author": "","license": "ISC","dependencies": {
    "express": "^4.17.1","npm-run-all": "^4.1.5","concurrently": "^5.0.0","http-proxy-middleware": "^0.20.0","morgan": "^1.9.1"
  },"devDependencies": {
    "concurrently": "^5.0.0","npm-run-all": "^4.1.5"
  }
}